package com.zzyl.nursing.service.impl;

import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import cn.hutool.core.collection.ListUtil;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.zzyl.framework.web.service.TokenService;
import com.zzyl.nursing.dto.UserLoginRequestDto;
import com.zzyl.nursing.service.WechatService;
import com.zzyl.nursing.vo.LoginVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.mapper.FamilyMemberMapper;
import com.zzyl.nursing.domain.FamilyMember;
import com.zzyl.nursing.service.IFamilyMemberService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

/**
 * 老人家属Service业务层处理
 * 
 * @author alexis
 * @date 2024-11-10
 */
@Service
public class FamilyMemberServiceImpl extends ServiceImpl<FamilyMemberMapper, FamilyMember> implements IFamilyMemberService
{
    @Autowired
    private FamilyMemberMapper familyMemberMapper;

    @Autowired
    private WechatService wechatService;

    @Autowired
    private TokenService tokenService;

    static List<String> DEFAULT_NICKNAME_PREFIX = ListUtil.of(
            "生活更美好",
            "大桔大利",
            "日富一日",
            "好柿开花",
            "柿柿如意",
            "一椰暴富",
            "大柚所为",
            "杨梅吐气",
            "天生荔枝"
    );

    /**
     * 查询老人家属
     * 
     * @param id 老人家属主键
     * @return 老人家属
     */
    @Override
    public FamilyMember selectFamilyMemberById(Long id)
    {
        return getById(id);
    }

    /**
     * 查询老人家属列表
     * 
     * @param familyMember 老人家属
     * @return 老人家属
     */
    @Override
    public List<FamilyMember> selectFamilyMemberList(FamilyMember familyMember)
    {
        return familyMemberMapper.selectFamilyMemberList(familyMember);
    }

    /**
     * 新增老人家属
     * 
     * @param familyMember 老人家属
     * @return 结果
     */
    @Override
    public int insertFamilyMember(FamilyMember familyMember)
    {
        return save(familyMember) ? 1 : 0;
    }

    /**
     * 修改老人家属
     * 
     * @param familyMember 老人家属
     * @return 结果
     */
    @Override
    public int updateFamilyMember(FamilyMember familyMember)
    {
        return updateById(familyMember) ? 1 : 0;
    }

    /**
     * 批量删除老人家属
     * 
     * @param ids 需要删除的老人家属主键
     * @return 结果
     */
    @Override
    public int deleteFamilyMemberByIds(Long[] ids)
    {
        return removeByIds(Arrays.asList(ids)) ? 1 : 0;
    }

    /**
     * 删除老人家属信息
     * 
     * @param id 老人家属主键
     * @return 结果
     */
    @Override
    public int deleteFamilyMemberById(Long id)
    {
        return removeById(id) ? 1 : 0;
    }

    /**
     * 新增或更新小程序端用户
     *
     */
    @Override
    public LoginVo saveFamilyMember(UserLoginRequestDto userLoginRequestDto) {
        // 1.获取openid
        String openId = wechatService.getOpenId(userLoginRequestDto.getCode());

        // 2.根据openid查询family_member表获取家属信息
        FamilyMember familyMember = familyMemberMapper.selectOne(Wrappers.<FamilyMember>lambdaQuery()
                .eq(FamilyMember::getOpenId, openId));

        // 3.判断家属信息是否为空，如果为空，创建家属对象，并赋值openid
        if (ObjectUtils.isEmpty(familyMember)) {
            familyMember = new FamilyMember();
            familyMember.setOpenId(openId);
        }

        // 4.根据phoneCode获取手机号
        String phoneNumber = wechatService.getPhoneNumber(userLoginRequestDto.getPhoneCode());
        familyMember.setPhone(phoneNumber);

        // 5.新增或更新家属信息，如果第一次登录，需要生成一个随机的昵称
        insertOrUpdateFamilyMember(familyMember, phoneNumber);

        // 6.把用户id和昵称封装到jwt中返回
        Map<String, Object> claims = new HashMap<>();
        claims.put("userId", familyMember.getId());
        claims.put("nickName", familyMember.getName());

        String token = tokenService.createToken(claims);

        LoginVo loginVo = new LoginVo();
        loginVo.setToken(token);
        loginVo.setNickName(familyMember.getName());

        return loginVo;
    }

    /**
     * 新增或更新家属信息
     * @param familyMember  家属信息
     * @param phoneNumber   最新的手机号
     */
    private void insertOrUpdateFamilyMember(FamilyMember familyMember, String phoneNumber) {
        // 新增或更新老人家属
        if (ObjectUtils.isEmpty(familyMember.getId())) {
            // 判断是否为第一次登录，如果是，则生成一个随机昵称
            // 从集合中随机一个名字，再拼上手机号后四位
            int index = (int) (Math.random() * DEFAULT_NICKNAME_PREFIX.size());
            familyMember.setName(DEFAULT_NICKNAME_PREFIX.get(index) + phoneNumber.substring(phoneNumber.length() - 4));

            // id为空，新增
            familyMemberMapper.insert(familyMember);
        } else {
            // id不为空，修改
            familyMemberMapper.updateById(familyMember);
        }

    }
}
